Nielsen, T. T., N. L. Trottier, C. Bellaver, H. H. Stein, and R. A. Easter. 2002. Effect of litter size on mammary gland amino acid uptake in lactating sows. J. Anim. Sci. 80:2402-2411. Link to full text (.pdf)
Stein, H. H., S. W. Kim, T. T. Nielsen, R. A. Easter. 2001. Standardized ileal protein and amino acid digestibility by growing pigs and sows. J. Anim. Sci. 79:2113-2122. Link to full text (.pdf)
Stein, H. H., N. L. Trottier, C. Bellaver, and R. A. Easter. 1999. The effect of feeding level and physiological status on total flow and amino acid composition of endogenous protein at the distal ileum in swine. J. Anim. Sci. 77:1180-1187. Link to full text (.pdf)
Stein, H. H., S. Aref, and R. A. Easter. 1999. Comparative protein and amino acid digestibilities in growing pigs and sows. J. Anim. Sci. 77:1169-1179. Link to full text (.pdf)